Doorbell Greeting Sensor Intelligent Welcome Alert Doorbell Sensor Hotel Shop Entrance Bell Alarm White

1. Sensitive response: The doorbell sensor uses advanced sensing technology, can be triggered automatically without pressing a button or ringing the bell when someone approaches the door. 2. Varied use: This doorbell greeting sensor is suitable for various occasions, such as home, shop, office, hotel, can be used as a welcome bell to give your guests a friendly and professional welcome. 3. Unique design: The welcome doorbell alarm sensor has a simple and stylish exterior design to match different decorative styles, can not only provide practical functions, but also add decorative effects to your doorway. 4. Easy to install: This doorbell alert sensor is easy to install and requires no wiring, can simply use the included back sticker to hold the doorbell in place and then install the battery. 5. Multiple ringtones: The doorbell greeting alarm sensor offers a wide selection of ringtones to choose according to your preferences, the volume can be adjusted to suit different environments and needs. Item Type:DoorbellGreetingSensor Material: ABS Battery: 3 pcs AAA Lithium battery (Delivered without battery) 1 x DoorbellGreetingSensor1 x Instruction 2 x Screw 2 x Expansion screw 1 x Sticker (2 Parts) 1 xDouble-sided tape If you find any product problems after receiving the item, such as damage or incorrect quantity of goods, please contact us immediately. We will do our best to provide you with satisfactory customer service.